<script setup lang="ts">
import type { BannerItem } from '@/types/home'
import { ref, defineProps } from 'vue'
const activeIndex = ref(0)

// const toggle = (event: TouchEvent) => {
//   console.log(event.target)
//   activeIndex.value = Number((event.target as HTMLElement)?.dataset.id)
// }

const onChange: UniHelper.SwiperOnChange = (va) => {
  activeIndex.value = va.detail.current
}
defineProps<{
  bannerList: BannerItem[]
}>()
</script>

<template>
  <view class="carousel">
    <swiper :circular="true" :autoplay="true" :interval="3000" @change="onChange">
      <swiper-item v-for="item in bannerList" :key="item.id">
        <navigator :url="item.hrefUrl" hover-class="none" class="navigator">
          <image mode="scaleToFill" class="image" :src="item.imgUrl"></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 指示点 -->
    <view class="indicator">
      <text
        v-for="(item, index) in bannerList"
        :key="item.id"
        class="dot"
        :class="{ active: index === activeIndex }"
        :data-id="index"
      ></text>
    </view>
  </view>
</template>

<style lang="scss" scoped>
:host {
  display: block;
  height: 302rpx;
}
/* 轮播图 */
.carousel {
  // height: 100%;
  position: relative;
  overflow: hidden;
  // transform: translateY(0);
  background-color: #efefef;
  .indicator {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 16rpx;
    display: flex;
    justify-content: center;
    .dot {
      width: 30rpx;
      height: 6rpx;
      margin: 0 8rpx;
      border-radius: 6rpx;
      background-color: rgba(255, 255, 255, 0.4);
    }
    .active {
      background-color: #fff;
    }
  }
  .navigator,
  .image {
    width: 100%;
    height: 100%;
  }
}
</style>
